{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T09:02:25Z","timestamp":1790758945023,"version":"4.1.0"},"reference-count":30,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T00:00:00Z","timestamp":1790726400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Twin Res Hum Genet"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>This article summarizes events at two June 2026 twin conferences held in different Brazilian cities. The first one took place at the State University of Londrina, in the state of Paran\u00e1; the second one took place at the University of S\u00e3o Paulo, in the state of S\u00e3o Paulo. This section is followed by reviews of research concerning discordant transgenderism in African twins, attachment in twin families, tactile sensitivity in twins, stress among self-employed twins, and chimerism in dizygotic twins. The final portion of the article presents human interest items that both inform and entertain. They include artistic twinships, naturally conceived identical quadruplets, sports recognition for a deceased twin athlete, a new prenatal life-saving procedure for twins, and the world\u2019s most premature pair.<\/jats:p>","DOI":"10.1017\/thg.2026.10101","type":"journal-article","created":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T08:25:41Z","timestamp":1790756741000},"page":"1-6","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":0,"title":["Twin Conferences Come in Pairs: Views from Brazil\/Twin Research Reviews: Discordant Transgenderism in African Twins; Attachment in Twin Families; Tactile Sensitivity in Twins; Self-Employed Twins and Stress; Note on Chimerism\/Human Interest Items: Artistic Twinships; Naturally Conceived Identical Quadruplets; Sports Award for a Deceased Co-Twin; New Prenatal Procedure Saves Twins; World\u2019s Most Premature Pair"],"prefix":"10.1017","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9303-8312","authenticated-orcid":false,"given":"Nancy L.","family":"Segal","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02avqqw26","id-type":"ROR","asserted-by":"publisher"}],"name":"California State University Fullerton"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2026,9,30]]},"reference":[{"key":"S1832427426101017_ref30","unstructured":"Monticelli, P. F. (2024). Cited in A historia de Tomaz y Gabriel as the organizer of the book\u2019s production. https:\/\/jornal.usp.br\/universidade\/historia-em-quadrinhos-narra-a-jornada-de-gemeos-separados-ainda-bebes\/"},{"key":"S1832427426101017_ref1","volume-title":"Patterns of attachment: A psychological study of the strange situation","author":"Ainsworth","year":"1978"},{"key":"S1832427426101017_ref13","first-page":"95","volume-title":"Affective development in infancy","author":"Main","year":"1986"},{"key":"S1832427426101017_ref25","volume-title":"Twinship: What twin ties reveal about relationships","author":"Segal","year":"in pres"},{"key":"S1832427426101017_ref22","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-026-56098-0"},{"key":"S1832427426101017_ref26","volume-title":"Accidental brothers: The story of twins exchanged at birth and the power of nature and nurture","author":"Segal","year":"2018"},{"key":"S1832427426101017_ref21","unstructured":"Roxby, P. (2026, July 9). Pioneering treatment saves identical twins from rare pregnancy condition. BBC. https:\/\/www.bbc.com\/news\/articles\/c2eyl3zkpwko"},{"key":"S1832427426101017_ref7","unstructured":"Giacomazzo, B. (2026, July 21). Jason Collins ESPYS tribute: Twin brother accepts Arthur Ashe Award. Complex. https:\/\/sports.yahoo.com\/articles\/jason-collins-espys-tribute-twin-145057686.html"},{"key":"S1832427426101017_ref3","first-page":"1","article-title":"Psychoanalytic psychotherapy and psychological assessment: A case study","volume":"17","author":"Barreto Tavares dos Reis","year":"2026","journal-title":"Interdisciplinary Studies in Psychology"},{"key":"S1832427426101017_ref20","unstructured":"RighttoLife News . (2026, March 20). World\u2019s most premature twins celebrate their fourth birthdays. https:\/\/righttolife.org.uk\/news\/worlds-most-premature-twins-celebrate-their-fourth-birthdays"},{"key":"S1832427426101017_ref18","doi-asserted-by":"publisher","DOI":"10.1017\/thg.2019.34"},{"key":"S1832427426101017_ref5","doi-asserted-by":"publisher","DOI":"10.1017\/thg.2025.10040"},{"key":"S1832427426101017_ref4","article-title":"This comic book tells the story of twins separated as babies","author":"Costa","year":"2025","journal-title":"Jornal da USP"},{"key":"S1832427426101017_ref11","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/deab170"},{"key":"S1832427426101017_ref6","doi-asserted-by":"publisher","DOI":"10.1111\/ajt.14318"},{"key":"S1832427426101017_ref12","unstructured":"Leach, N. (2026, May 3). The weird rise of people who are their own twin. Science Focus (BBC). https:\/\/www.sciencefocus.com\/the-human-body\/chimera-own-twin"},{"key":"S1832427426101017_ref9","unstructured":"Guinness World Records . (2026). Most premature twins. https:\/\/www.guinnessworldrecords.com\/world-records\/67431-most-premature-twins"},{"key":"S1832427426101017_ref10","unstructured":"Heller, S. (2026, May 5). The Daily Heller: Four eyes with one vision. The Daily Heller. \u223chttps:\/\/www.printmag.com\/daily-heller\/the-daily-heller-balbusso-twins\/#:~:text=Anna%20and%20Elena%2C%20identical%20twins,single%20multi%2Dcreative%20identity.%E2%80%9D"},{"key":"S1832427426101017_ref19","doi-asserted-by":"publisher","DOI":"10.11606\/9786587596167"},{"key":"S1832427426101017_ref29","doi-asserted-by":"publisher","DOI":"10.1080\/14616734.2025.2572578"},{"key":"S1832427426101017_ref28","doi-asserted-by":"publisher","DOI":"10.2307\/1130398"},{"key":"S1832427426101017_ref15","unstructured":"National Basketball Coaches Association. (2026). Jarron Collins: New Orleans Pelicans assistant coach. https:\/\/nbacoaches.com\/jarron-collins\/"},{"key":"S1832427426101017_ref17","doi-asserted-by":"publisher","DOI":"10.1080\/21528586.2026.2635942"},{"key":"S1832427426101017_ref16","unstructured":"New York Times . (2026, April 22). The Haas brothers\u2019 creative creations are on tour. https:\/\/www.nytimes.com\/2026\/04\/21\/arts\/design\/haas-brothers-twins.html"},{"key":"S1832427426101017_ref27","doi-asserted-by":"publisher","DOI":"10.1016\/j.jbusvent.2025.106556"},{"key":"S1832427426101017_ref2","unstructured":"Barreto Tavares dos Reis, M. E. (2015). Twin babies: Emotional relationships and parental care [Beb\u00e9s G\u00eamos Relacionamento afetivo e cuidados parentais]. Juru\u00e1."},{"key":"S1832427426101017_ref8","doi-asserted-by":"publisher","DOI":"10.1080\/00221325.1994.9914777"},{"key":"S1832427426101017_ref23","article-title":"Twin research in ethological and evolutionary perspective","author":"Segal","year":"2026","journal-title":"Twin Research and Human Genetics"},{"key":"S1832427426101017_ref24","volume-title":"Entwined lives: Twins and what they tell us about human behavior","author":"Segal","year":"2000"},{"key":"S1832427426101017_ref14","unstructured":"Miles, J. (2026, July 19). Brisbane woman naturally conceives identical quadruplets in one of the rarest births in the world. 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